@function p($px) {
    @return $px/2*1px;
}

/*头部样式-赵凯旋*/
header {
    width: 100%;
    height: p(89);
    line-height: p(89);
    background-color: #0f0f0f;
    border-top: 1px solid #1b1b1b;
    display: flex;
    align-items: center;
    justify-content: space-around;
    >a:first-child{
        // padding:p(12) p(32);
        flex-grow: 1.58;
        text-align: center;
        border-right: 1px solid #000;
        >i{
            font-size: p(33);
            color: #fff;
        }
    }
    // 
    h1{
        font-size: p(34);
        line-height: p(34);
        letter-spacing: p(2.5);
        color: #fff;
        font-weight: normal;
    }
    
    .more{
        i{
            font-size: p(44);
            color: #fff;
            font-weight: bold;
        }
    }

    /*帮助购买页的特殊头部样式*/
    >nav{
        display: flex;
        align-items: center; 
        justify-content: space-around;
        flex-grow: 8.42;
    }
}
.help-to-buy header{
    justify-content: space-between;
}